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LTM4657IY - Analog Devices

Description: 20VIN, 8A Step-Down DC/DC ?Module Regulator

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LTM4657IY - Analog Devices PCB footprint - BGA - BGA - LTM4657IY
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LTM4657IY Details

  • Manufacturer Part Number:

    LTM4657IY

  • Brand Name:

    Analog Devices Inc

  • Pbfree Code:

    No

  • Part Life Cycle Code:

    Active

  • Package Description:

    BGA-49

  • Pin Count:

    49

  • Manufacturer Package Code:

    05-08-1573

  • Country Of Origin:

    South Korea

  • ECCN Code:

    EAR99

  • HTS Code:

    8542.39.00.01

  • Manufacturer:

    Analog Devices Inc

  • YTEOL:

    9

  • Analog IC - Other Type:

    SWITCHING REGULATOR

  • Control Mode:

    CURRENT-MODE

  • Control Technique:

    PULSE WIDTH MODULATION

  • Input Voltage-Max:

    20 V

  • Input Voltage-Min:

    3.1 V

  • Input Voltage-Nom:

    12 V

  • JESD-30 Code:

    S-XBGA-B49

  • Length:

    6.25 mm

  • Moisture Sensitivity Level:

    3

  • Number of Functions:

    1

  • Number of Terminals:

    49

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • Output Current-Max:

    8 A

  • Output Voltage-Max:

    5.5 V

  • Output Voltage-Min:

    0.5 V

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    BGA

  • Package Equivalence Code:

    BGA49,7X7,32

  • Package Shape:

    SQUARE

  • Package Style:

    GRID ARRAY

  • Seated Height-Max:

    4.21 mm

  • Supply Current-Max (Isup):

    1150 mA

  • Surface Mount:

    YES

  • Switching Frequency-Max:

    500 kHz

  • Technology:

    HYBRID

  • Terminal Form:

    BALL

  • Terminal Pitch:

    0.8 mm

  • Terminal Position:

    BOTTOM

  • Width:

    6.25 mm

LTM4657IY Frequently Asked Questions (FAQs)

  • A 4-layer PCB with a solid ground plane and thermal vias is recommended. The device should be placed near a thermal pad or heat sink to dissipate heat efficiently.
  • Use the recommended output filter components and layout guidelines in the datasheet. Additionally, consider using a pi-filter or a common-mode choke to reduce EMI and noise.
  • The LTM4657IY can drive up to 10,000 pF of capacitive load. However, it's recommended to limit the capacitive load to 4,700 pF to ensure stability and optimal performance.
  • Use a scope to monitor the input and output voltages, and check for proper pin connections and component values. Also, ensure that the device is properly decoupled and that the input voltage is within the recommended range.
  • Yes, the LTM4657IY is suitable for high-reliability and aerospace applications. However, it's essential to follow the recommended design and manufacturing guidelines, and to perform thorough testing and validation.

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LTM4657IY Overview

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About Analog Devices

Analog Devices Inc. is a global leader in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits and software solutions for the industrial, automotive, healthcare, communications industries. Analog Devices serves a diverse range of markets including industrial, automotive, healthcare, energy, aerospace, defense, and consumer electronics industries. Analog Devices’ product portfolio includes a wide range of ICs, modules, and subsystems.

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Part Image LTM4657IY#PBF Analog Devices Inc

Switching Regulator, Current-mode, 8A, 500kHz Switching Freq-Max, Hybrid